25428915

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{311}}^1$

素因数の和:424

約数の個数: 48

約数和(自身を含む): 46725120

約数和(自身を除く): 21296205

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 79, 115, 207, 237, 311, 345, 395, 711, 933, 1035, 1185, 1555, 1817, 2799, 3555, 4665, 5451, 7153, 9085, 13995, 16353, 21459, 24569, 27255, 35765, 64377, 73707, 81765, 107295, 122845, 221121, 321885, 368535, 565087, 1105605, 1695261, 2825435, 5085783, 8476305, 25428915]

約数ペア:

[(1, 25428915), (3, 8476305), (5, 5085783), (9, 2825435), (15, 1695261), (23, 1105605), (45, 565087), (69, 368535), (79, 321885), (115, 221121), (207, 122845), (237, 107295), (311, 81765), (345, 73707), (395, 64377), (711, 35765), (933, 27255), (1035, 24569), (1185, 21459), (1555, 16353), (1817, 13995), (2799, 9085), (3555, 7153), (4665, 5451)]